#pragma once
#ifndef RECT_H
#define RECT_H
#include<iostream>
using namespace std;
class Rectangle
{
	int m_left, m_top;
	int m_right, m_bottom;
public:
	Rectangle(int left = 0, int top = 0, int right = 0, int bottom = 0);
	~Rectangle(){}
	void show();
	void assign(int left, int top, int right, int bottom );
	int area();
	int perimeter();
};
#endif